Doff, A., Thaine, C., Stranks, J., Lewis-Jones, P., & Puchta, H. (2022). Empower B2: Upper Intermediate Student's Book with eBook (Second edition.). Cambridge University Press.
Citace podle Chicago (17th ed.)Doff, Adrian, Craig Thaine, Jeff Stranks, Peter Lewis-Jones, a Herbert Puchta. Empower B2: Upper Intermediate Student's Book with EBook. Second edition. Cambridge, United Kingdom: Cambridge University Press, 2022.
Citace podle MLA (9th ed.)Doff, Adrian, et al. Empower B2: Upper Intermediate Student's Book with EBook. Second edition. Cambridge University Press, 2022.
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